Matt Damon transformed his body to 167 lbs.—his high school weight—for The Odyssey, adopting a gluten-free diet and rigorous training to embody Odysseus in Christopher Nolan’s epic.
The Transformation: From 200 Lbs. to 167 Lbs.
Matt Damon revealed on Jason and Travis Kelce’s New Heights podcast that he underwent a dramatic physical transformation for his role as Odysseus in The Odyssey. The 55-year-old actor, who typically weighs between 185 and 200 lbs., dropped to 167 lbs.—a weight he hadn’t seen since high school.
Damon explained that director Christopher Nolan wanted him “lean but strong” for the role, a specific physique that required both weight loss and muscle definition. “It’s a weird thing,” Damon admitted, describing the balance between shedding pounds and maintaining strength.
The Diet: Gluten-Free and Strict
To achieve this transformation, Damon adopted a gluten-free diet, a change he initially made for health reasons but continued for the film. “I used to walk around between 185 and 200 pounds, and I did that whole movie at 167 pounds,” he said. The actor also mentioned finding a gluten-free beer, joking that he couldn’t tell if it was good after so long without gluten.
This dietary shift, combined with intense training, allowed Damon to reach his target weight while maintaining the physicality required for the role of Odysseus, a warrior enduring a decade-long journey home from the Trojan War.
The Training: A Season-Like Routine
Damon compared his preparation for The Odyssey to an NFL season, describing the disciplined routine he followed. “It feels almost like a season, I would imagine, what that feels like for you guys where you’re preparing,” he told the Kelce brothers. “It’s like just part of your day. It’s part of your job, right? It’s like you get really routinized about it and kind of build your day around all that stuff.”
This regimented approach is reminiscent of Damon’s preparation for action roles like Jason Bourne, where physical conditioning is as crucial as the performance itself.
The Film: A Mythic Action Epic
The Odyssey, directed by Christopher Nolan, is an adaptation of Homer’s ancient Greek poem. The film promises to be a “mythic action epic shot across the world using brand new IMAX® film technology,” according to its official synopsis. The teaser trailer, released last month, offers glimpses of Damon as Odysseus, the Trojan War, and his arduous journey home.
The star-studded cast includes Tom Holland, Anne Hathaway, Zendaya, Robert Pattinson, Lupita Nyong’o, Elliot Page, Mia Goth, Charlize Theron, and Benny Safdie. The film is set to hit theaters on July 17, 2026.
Why This Matters
Damon’s transformation is more than just a physical feat—it’s a testament to his dedication to his craft. By shedding 30 lbs. and adopting a gluten-free lifestyle, he not only met Nolan’s vision but also embraced a role that demands both strength and endurance. This level of commitment underscores the actor’s ability to fully immerse himself in his characters, whether it’s a warrior like Odysseus or an action hero like Jason Bourne.
For fans of Damon and Nolan’s work, The Odyssey promises to be a visually stunning and physically demanding epic, with Damon’s transformation serving as a key element of its authenticity.
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